TNF-α production inhibitors

Abstract

A compound having the following formula wherein A is —O—; B is alkylene or alkenylene optionally containing —O—, —S—, —(NR7)—, —CO— or —N═; R1 and R2 are alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl, wherein the alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl is unsubstituted or substituted by halogen, cycloalkyl, aryl, adamantyl or amino; R3 is a substituted or unsubstituted pyridine ring; R5 and R6 are hydrogen or alkyl; R7 is hydrogen or alkyl; X is O or S; and each hydrogen of the said amino is unsubstituted or substituted by alkyl, alkoxycarbonyl, cycloalkyloxycarbonyl, arylalkoxycarbonyl or halogenoalkyloxycarbonyl. The compound is a TNF-α production inhibitor that is useful for treating autoimmune diseases such as rheumatoid arthritis.

Dependencies are inferred from the claim text.